| Player ID | 86870 |
| First Name | Jonathan WR |
| Last Name | Underwood |
| Sex | M |
| User ID | 0 |
| DOB | **** |
| Player lists | London Banks League |
| Club | London Banks League (9000) |
| Local Rating | |
| Local Rapid Rating | |
| FIDE Code | 425877 |
| FIDE Federation | |
| ECF Rating Code (links to rating system) | 242283K |
| Membership Number (from rating list) | ME008050 |
| Membership Category | Gold |
| ECF Rapid OTB January | 1961K |
| ECF Standard OTB January | 2091A |
| ECF Rapid OTB August | 1990K |
| ECF Standard OTB August | 2118A |
| ECF Rapid OTB Monthly | 1990K |
| ECF Rapid OTB September | 1990K |
| ECF Standard OTB Monthly | 2118A |
| ECF Standard OTB September | 2118A |
| ECF Standard OTB September Old | 2102A |
| ECF Rapid OTB Latest | 1990K |
| ECF Standard Online | 2183K |
| ECF Standard OTB Latest | 2118A |
| FIDE Standard | 2015 |
| FIDE Rapid | 1930 |
| FIDE Blitz | 0 |
